RE: Puzzling thing about Speed of Light/Speed of Causality
August 24, 2018 at 10:49 am
(This post was last modified: August 24, 2018 at 10:53 am by The Grand Nudger.)
Not the best vid (but they did do spine tests!).
If you find a full side shot..you'll notice that the rear of the arrow..the part being pushed, begins to accelerate before the leading tip. The mass of the point resists acceleration....and because arrows are designed and made of materials specifically to allow for this - they make a great and greatly exaggerated example of why pushing on the back of something doesn't mean that the front moves simultaneously.
It actually takes some pretty short, rigid shit to foist the illusion that it does on us. That's why it's counter-intuitive, we work with short rigid shit all the time.
Ladies....
If you find a full side shot..you'll notice that the rear of the arrow..the part being pushed, begins to accelerate before the leading tip. The mass of the point resists acceleration....and because arrows are designed and made of materials specifically to allow for this - they make a great and greatly exaggerated example of why pushing on the back of something doesn't mean that the front moves simultaneously.
It actually takes some pretty short, rigid shit to foist the illusion that it does on us. That's why it's counter-intuitive, we work with short rigid shit all the time.
Ladies....
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